package system // import "github.com/docker/docker/pkg/system" import ( "io/ioutil" "os" "path/filepath" "runtime" "testing" "time" "github.com/docker/docker/pkg/mount" "github.com/gotestyourself/gotestyourself/skip" ) func TestEnsureRemoveAllNotExist(t *testing.T) { // should never return an error for a non-existent path if err := EnsureRemoveAll("/non/existent/path"); err != nil { t.Fatal(err) } } func TestEnsureRemoveAllWithDir(t *testing.T) { dir, err := ioutil.TempDir("", "test-ensure-removeall-with-dir") if err != nil { t.Fatal(err) } if err := EnsureRemoveAll(dir); err != nil { t.Fatal(err) } } func TestEnsureRemoveAllWithFile(t *testing.T) { tmp, err := ioutil.TempFile("", "test-ensure-removeall-with-dir") if err != nil { t.Fatal(err) } tmp.Close() if err := EnsureRemoveAll(tmp.Name()); err != nil { t.Fatal(err) } } func TestEnsureRemoveAllWithMount(t *testing.T) { skip.If(t, runtime.GOOS == "windows", "mount not supported on Windows") skip.If(t, os.Getuid() != 0, "skipping test that requires root") dir1, err := ioutil.TempDir("", "test-ensure-removeall-with-dir1") if err != nil { t.Fatal(err) } dir2, err := ioutil.TempDir("", "test-ensure-removeall-with-dir2") if err != nil { t.Fatal(err) } defer os.RemoveAll(dir2) bindDir := filepath.Join(dir1, "bind") if err := os.MkdirAll(bindDir, 0755); err != nil { t.Fatal(err) } if err := mount.Mount(dir2, bindDir, "none", "bind"); err != nil { t.Fatal(err) } done := make(chan struct{}) go func() { err = EnsureRemoveAll(dir1) close(done) }() select { case <-done: if err != nil { t.Fatal(err) } case <-time.After(5 * time.Second): t.Fatal("timeout waiting for EnsureRemoveAll to finish") } if _, err := os.Stat(dir1); !os.IsNotExist(err) { t.Fatalf("expected %q to not exist", dir1) } }